
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Collections.Specialized;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Caching;
using System.Web.SessionState;
using System.Web.Security;
using System.Web.Profile;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
//
// DotNetNuke - http://www.dotnetnuke.com
// Copyright (c) 2002-2010 
// by DotNetNuke Corporation
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

namespace DotNetNuke.Modules.Html
{

	/// -----------------------------------------------------------------------------
	/// <summary>
	/// The DataProvider is an abstract class that provides the Data Access Layer for the HtmlText module
	/// </summary>
	/// <remarks>
	/// </remarks>
	/// <history>
	/// </history>
	/// -----------------------------------------------------------------------------
	public abstract partial class DataProvider
	{

		#region "Shared/Static Methods"

		// singleton reference to the instantiated object 

		private static DataProvider objProvider = null;
		// constructor
		static DataProvider()
		{
			CreateProvider();
		}

		// dynamically create provider
		private static void CreateProvider()
		{
			objProvider = (DataProvider)Framework.Reflection.CreateObject("data", "DotNetNuke.Modules.Html", "");
		}

		// return the provider
		public static new DataProvider Instance()
		{
			return objProvider;
		}

		#endregion

		#region "Abstract methods"

		public abstract IDataReader GetHtmlText(int ModuleID, int ItemID);
		public abstract IDataReader GetTopHtmlText(int ModuleID, bool IsPublished);
		public abstract IDataReader GetAllHtmlText(int ModuleID);
		public abstract int AddHtmlText(int ModuleId, string Content, int StateID, bool IsPublished, int CreatedByUserID, int History);
		public abstract void UpdateHtmlText(int ItemID, string Content, int StateID, bool IsPublished, int LastModifiedByUserID);
		public abstract void DeleteHtmlText(int ModuleID, int ItemID);

		public abstract IDataReader GetHtmlTextLog(int ItemID);
		public abstract void AddHtmlTextLog(int ItemID, int StateID, string Comment, bool Approved, int CreatedByUserID);

		public abstract IDataReader GetHtmlTextUser(int UserID);
		public abstract void AddHtmlTextUser(int ItemID, int StateID, int ModuleID, int TabID, int UserID);
		public abstract void DeleteHtmlTextUsers();

		public abstract IDataReader GetWorkflows(int PortalID);

		public abstract IDataReader GetWorkflowStates(int WorkflowID);
		public abstract IDataReader GetWorkflowStatePermissions();
			#endregion
		public abstract IDataReader GetWorkflowStatePermissionsByStateID(int StateID);

	}

}
